| 摘要 |
PURPOSE: To obtain a highly active catalyst capable of producing olefin polymers excellent in granular properties at low cost by suspension polymerization, solution polymerization, etc., comprising a specific solid catalytic component, an organoaluminum compound and a transition metal compound. CONSTITUTION: This catalyst for olefin polymerization comprises (A) a compound of formula I [M is a group 1-13 metal; R<1> is a 1-8C alkyl; R2 -R<4> are each a 2-20C hydrocarbon group;αis 0-0.3 or 0.9-1.1;βis 0-0.5; (p) and (t) are each a positive number; (q), (r) and (s) are each >=0; satisfying the relationships II ((k) is the valence of M) and III], (B) a compound of formula, AlR<5> n Z<1> 3-n (R<5> is a 1-20C hydrocarbon group; Z<1> is H, a halogen, etc.; 0<(n)<=3), and (C) a compound of formula IV [M is Zr, Ti, etc.; R<7> is a ligand for cyclopentadienyl skeleton, etc.; R<8> -R<10> are each a ligand for cyclopentadienyl skeleton, etc.; R<6> is a 1-20C (substituted) alkylene connecting one of R<8> -R<10> and R<7> to each other, etc.; R<7> -R<10> are each connected to M; (a) >=1; (b), (c) and (d) are each 0-3; (a)-(d) sum to 4; (z) is 0 or 1].
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